Interacoustics ad226 - Page 30

General properties for earphones
Sound attenuation values for earphones
Frequency
Attenuation
DD45 or TDH39 with MX41/
AR or PN 51 cushion
EAR-Tone 3A
[Hz]
[dB]
[dB]
125
3
33,5
160
4
200
5
250
5
34,5
315
5
400
6
500
7
34,5
630
9
750
-
800
11
1000
15
35,0
1250
18
1500
-
1600
21
2000
26
33,0
2500
28
3000
-
3150
31
4000
32
39,5
5000
29
6000
-
6300
26
8000
24
43,5